1.5A HIGH-SPEED 30V MOSFET DRIVERS
TC4431
TC4431
+5V
INPUT
0V
VDD
90%
10%
tD1
90%
VDD= 30V
4.7
µF
0.1
µF
tF
tD2
tR
90%
OUTPUT
1, 8
7
INPUT
2
6
0V
OUTPUT
10%
10%
CL = 1000 pF
Inverting Driver
LOCK DIS.
3
+5V
INPUT
90%
4, 5
0V
VDD
10%
90%
90%
tD2
10%
INPUT: 100 kHz, square wave,
tRISE = tFALL
≤
10nsec
tD1
OUTPUT
0V
10%
tR
t
F
Noninverting Driver
Figure 1. Switching Time Test Circuit
TYPICAL CHARACTERISTICS
Supply Current vs. Capacitive Load
60
VDD = 12V
50
ISUPPLY (mA)
150
2 MHz
Rise/Fall Time vs. VDD
CLOAD = 1000pf at 25 C
TF
125
100
75
50
25
0
10,000
30
900 kHz
20
10
0
100
200 kHz
20 kHz
1000
CLOAD (pF)
600 kHz
Time (nsec)
40
TR
3
6
9
12
15 18 21
VDD (VOLTS)
24
27
30
Input Current vs. Input Voltage
50
45
40
Input Curent (mA)
300
250
TD1
200
150
TD2
TD1 and TD2 Delay vs. VDD
CLOAD = 1000pf at 25 C
35
30
25
20
15
10
5
0
3
6
9
12 15 18 21
Input Voltage (VIN)
24
27
30
WITH 1K RES.
WITHOUT 1K RES.
Time (nsec)
100
50
0
3
6
9
12
15 18 21
VDD (VOLTS)
24
27
30
4-260
TELCOM SEMICONDUCTOR, INC.
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